[gtk+/native-layout] Make the OLE2 DND code selectable at run-time instead of compile-time
- From: Tristan Van Berkom <tvb src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/native-layout] Make the OLE2 DND code selectable at run-time instead of compile-time
- Date: Sun, 4 Apr 2010 02:06:39 +0000 (UTC)
commit 9d4e82a0dcd0968248fb9fc9fbd3fa32b9e0fcaa
Author: Tor Lillqvist <tml iki fi>
Date: Thu Dec 17 01:50:47 2009 +0200
Make the OLE2 DND code selectable at run-time instead of compile-time
(It still doesn't work, though.)
gdk/win32/gdkdnd-win32.c | 785 ++++++++++++++++++++++------------------------
1 files changed, 380 insertions(+), 405 deletions(-)
---
diff --git a/gdk/win32/gdkdnd-win32.c b/gdk/win32/gdkdnd-win32.c
index a9f8bff..9f4d37b 100644
--- a/gdk/win32/gdkdnd-win32.c
+++ b/gdk/win32/gdkdnd-win32.c
@@ -32,14 +32,12 @@
#include <io.h>
#include <fcntl.h>
-/* #define OLE2_DND */
-
/*
- * Comment from the old OLE2 DND code that is being merged in (behind
- * #ifdef OLE2_DND). Note that this comment might not fully reflect
- * reality as the code obviously will have to be modified in this
- * merge. Especially the talk about supporting other than UTF-8 text
- * is bogus, that will not happen.
+ * Comment from the old OLE2 DND code that is being merged in. Note
+ * that this comment might not fully reflect reality as the code
+ * obviously will have to be modified in this merge. Especially the
+ * talk about supporting other than UTF-8 text is bogus, that will not
+ * happen.
*
* Support for OLE-2 drag and drop added at Archaeopteryx Software, 2001
* For more information, contact Stephan R.A. Deibel (sdeibel archaeopteryx com)
@@ -79,11 +77,7 @@
#include "gdkinternals.h"
#include "gdkprivate-win32.h"
-#ifdef OLE2_DND
#include <ole2.h>
-#else
-#include <objbase.h>
-#endif
#include <shlobj.h>
#include <shlguid.h>
@@ -104,12 +98,10 @@ typedef enum {
* this is used on both source and destination sides.
*/
struct _GdkDragContextPrivateWin32 {
-#ifdef OLE2_DND
gboolean being_finalized;
gint ref_count;
IUnknown *iface;
DWORD last_key_state;
-#endif
POINT last_pt; /* Coordinates from last event */
guint drag_status : 4; /* Current status of drag */
guint drop_failed : 1; /* Whether the drop was unsuccessful */
@@ -117,19 +109,17 @@ struct _GdkDragContextPrivateWin32 {
#define PRIVATE_DATA(context) ((GdkDragContextPrivateWin32 *) GDK_DRAG_CONTEXT (context)->windowing_data)
-#ifndef OLE2_DND
-
static GList *contexts;
static GdkDragContext *current_dest_drag = NULL;
-#endif
-
static void gdk_drag_context_init (GdkDragContext *dragcontext);
static void gdk_drag_context_class_init (GdkDragContextClass *klass);
static void gdk_drag_context_finalize (GObject *object);
static gpointer parent_class = NULL;
+static gboolean use_ole2_dnd = FALSE;
+
G_DEFINE_TYPE (GdkDragContext, gdk_drag_context, G_TYPE_OBJECT)
static void
@@ -143,13 +133,16 @@ gdk_drag_context_init (GdkDragContext *dragcontext)
dragcontext->windowing_data = private;
-#ifndef OLE2_DND
- contexts = g_list_prepend (contexts, dragcontext);
-#else
- private->being_finalized = FALSE;
- private->ref_count = 1;
- private->iface = NULL;
-#endif
+ if (!use_ole2_dnd)
+ {
+ contexts = g_list_prepend (contexts, dragcontext);
+ }
+ else
+ {
+ private->being_finalized = FALSE;
+ private->ref_count = 1;
+ private->iface = NULL;
+ }
GDK_NOTE (DND, g_print ("gdk_drag_context_init %p\n", dragcontext));
}
@@ -181,22 +174,23 @@ gdk_drag_context_finalize (GObject *object)
if (context->dest_window)
g_object_unref (context->dest_window);
-#ifndef OLE2_DND
- contexts = g_list_remove (contexts, context);
+ if (!use_ole2_dnd)
+ {
+ contexts = g_list_remove (contexts, context);
- if (context == current_dest_drag)
- current_dest_drag = NULL;
-#else
- {
- GdkDragContextPrivateWin32 *private = PRIVATE_DATA (context);
- if (private->iface)
- {
- private->being_finalized = TRUE;
- private->iface->lpVtbl->Release (private->iface);
- private->iface = NULL;
- }
- }
-#endif
+ if (context == current_dest_drag)
+ current_dest_drag = NULL;
+ }
+ else
+ {
+ GdkDragContextPrivateWin32 *private = PRIVATE_DATA (context);
+ if (private->iface)
+ {
+ private->being_finalized = TRUE;
+ private->iface->lpVtbl->Release (private->iface);
+ private->iface = NULL;
+ }
+ }
G_OBJECT_CLASS (parent_class)->finalize (object);
}
@@ -225,8 +219,6 @@ gdk_drag_context_unref (GdkDragContext *context)
g_object_unref (context);
}
-#ifndef OLE2_DND
-
static GdkDragContext *
gdk_drag_context_find (gboolean is_source,
GdkWindow *source,
@@ -252,10 +244,6 @@ gdk_drag_context_find (gboolean is_source,
return NULL;
}
-#endif
-
-#ifdef OLE2_DND
-
#define PRINT_GUID(guid) \
g_print ("%.08lx-%.04x-%.04x-%.02x%.02x-%.02x%.02x%.02x%.02x%.02x%.02x", \
((gulong *) guid)[0], \
@@ -1290,53 +1278,45 @@ enum_formats_new (void)
return result;
}
-#endif
-
-/* Needs to be compiled (even if empty) also in the non-OLE2_DND
- * case as called from gdk_property_change() in gdkproperty-win32.c
- * and we want to have the OLE2_DND conditionals just in this
- * source file.
- */
void
_gdk_win32_ole2_dnd_property_change (GdkAtom type,
gint format,
const guchar *data,
gint nelements)
{
-#ifdef OLE2_DND
- HGLOBAL hdata = NULL;
-
- if (active_pFormatEtc == NULL || active_pMedium == NULL)
- return;
-
- /* Set up the data buffer for wide character text request */
- if (active_pFormatEtc->cfFormat == CF_UNICODETEXT)
+ if (use_ole2_dnd)
{
- gunichar2 *wdata;
- glong wlen;
+ HGLOBAL hdata = NULL;
+
+ if (active_pFormatEtc == NULL || active_pMedium == NULL)
+ return;
- wdata = g_utf8_to_utf16 ((const char *) data, -1, NULL, &wlen, NULL);
- hdata = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, (wlen + 1) * 2);
- if (hdata)
+ /* Set up the data buffer for wide character text request */
+ if (active_pFormatEtc->cfFormat == CF_UNICODETEXT)
{
- wchar_t *ptr = (wchar_t *) GlobalLock(hdata);
- memcpy (ptr, wdata, (wlen + 1) * 2);
- GlobalUnlock(hdata);
+ gunichar2 *wdata;
+ glong wlen;
+
+ wdata = g_utf8_to_utf16 ((const char *) data, -1, NULL, &wlen, NULL);
+ hdata = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, (wlen + 1) * 2);
+ if (hdata)
+ {
+ wchar_t *ptr = (wchar_t *) GlobalLock(hdata);
+ memcpy (ptr, wdata, (wlen + 1) * 2);
+ GlobalUnlock(hdata);
+ }
+ g_free (wdata);
}
- g_free (wdata);
- }
- else
- g_warning ("Only text handled for now");
+ else
+ g_warning ("Only text handled for now");
- /* Pack up data */
- active_pMedium->tymed = TYMED_HGLOBAL;
- active_pMedium->hGlobal = hdata;
- active_pMedium->pUnkForRelease = 0;
-#endif
+ /* Pack up data */
+ active_pMedium->tymed = TYMED_HGLOBAL;
+ active_pMedium->hGlobal = hdata;
+ active_pMedium->pUnkForRelease = 0;
+ }
}
-#ifndef OLE2_DND
-
/* From MS Knowledge Base article Q130698 */
static gboolean
@@ -1578,10 +1558,6 @@ gdk_dropfiles_filter (GdkXEvent *xev,
return GDK_FILTER_CONTINUE;
}
-#endif /* !OLE2_DND */
-
-#ifdef OLE2_DND
-
static void
add_format (GArray *fmts,
CLIPFORMAT cf)
@@ -1597,58 +1573,60 @@ add_format (GArray *fmts,
g_array_append_val (fmts, fmt);
}
-#endif
void
_gdk_dnd_init (void)
{
-#ifdef OLE2_DND
- HRESULT hr;
- GArray *fmts;
+ if (getenv ("GDK_WIN32_USE_EXPERIMENTAL_OLE2_DND"))
+ use_ole2_dnd = TRUE;
- hr = OleInitialize (NULL);
+ if (use_ole2_dnd)
+ {
+ HRESULT hr;
+ GArray *fmts;
- if (! SUCCEEDED (hr))
- g_error ("OleInitialize failed");
+ hr = OleInitialize (NULL);
- fmts = g_array_new (FALSE, FALSE, sizeof (FORMATETC));
+ if (! SUCCEEDED (hr))
+ g_error ("OleInitialize failed");
- /* The most important presumably */
- add_format (fmts, CF_UNICODETEXT);
+ fmts = g_array_new (FALSE, FALSE, sizeof (FORMATETC));
- /* Used for GTK+ internal DND, I think was the intent? Anyway, code below assumes
- * this is at index 1.
- */
- add_format (fmts, CF_GDIOBJFIRST);
+ /* The most important presumably */
+ add_format (fmts, CF_UNICODETEXT);
- add_format (fmts, CF_HDROP);
+ /* Used for GTK+ internal DND, I think was the intent? Anyway, code below assumes
+ * this is at index 1.
+ */
+ add_format (fmts, CF_GDIOBJFIRST);
- add_format (fmts, _cf_png);
- add_format (fmts, CF_DIB);
+ add_format (fmts, CF_HDROP);
- add_format (fmts, _cf_url);
- add_format (fmts, _cf_html_format);
- add_format (fmts, _cf_text_html);
+ add_format (fmts, _cf_png);
+ add_format (fmts, CF_DIB);
- nformats = fmts->len;
- formats = (FORMATETC*) g_array_free (fmts, FALSE);
+ add_format (fmts, _cf_url);
+ add_format (fmts, _cf_html_format);
+ add_format (fmts, _cf_text_html);
- target_ctx_for_window = g_hash_table_new (g_direct_hash, g_direct_equal);
-#endif
+ nformats = fmts->len;
+ formats = (FORMATETC*) g_array_free (fmts, FALSE);
+
+ target_ctx_for_window = g_hash_table_new (g_direct_hash, g_direct_equal);
+ }
}
void
_gdk_win32_dnd_exit (void)
{
-#ifdef OLE2_DND
- OleUninitialize ();
-#endif
+ if (use_ole2_dnd)
+ {
+ OleUninitialize ();
+ }
}
/* Source side */
-#ifndef OLE2_DND
-
static void
local_send_leave (GdkDragContext *context,
guint32 time)
@@ -1799,8 +1777,6 @@ local_send_drop (GdkDragContext *context,
}
-#endif
-
static void
gdk_drag_do_leave (GdkDragContext *context,
guint32 time)
@@ -1809,10 +1785,11 @@ gdk_drag_do_leave (GdkDragContext *context,
{
GDK_NOTE (DND, g_print ("gdk_drag_do_leave\n"));
-#ifndef OLE2_DND
- if (context->protocol == GDK_DRAG_PROTO_LOCAL)
- local_send_leave (context, time);
-#endif
+ if (!use_ole2_dnd)
+ {
+ if (context->protocol == GDK_DRAG_PROTO_LOCAL)
+ local_send_leave (context, time);
+ }
g_object_unref (context->dest_window);
context->dest_window = NULL;
@@ -1823,145 +1800,149 @@ GdkDragContext *
gdk_drag_begin (GdkWindow *window,
GList *targets)
{
-#ifndef OLE2_DND
- GdkDragContext *new_context;
+ if (!use_ole2_dnd)
+ {
+ GdkDragContext *new_context;
- g_return_val_if_fail (window != NULL, NULL);
+ g_return_val_if_fail (window != NULL, NULL);
- new_context = gdk_drag_context_new ();
+ new_context = gdk_drag_context_new ();
- new_context->is_source = TRUE;
+ new_context->is_source = TRUE;
- new_context->source_window = window;
- g_object_ref (window);
+ new_context->source_window = window;
+ g_object_ref (window);
- new_context->targets = g_list_copy (targets);
- new_context->actions = 0;
+ new_context->targets = g_list_copy (targets);
+ new_context->actions = 0;
- return new_context;
-#else
- source_drag_context *ctx;
+ return new_context;
+ }
+ else
+ {
+ source_drag_context *ctx;
- g_return_val_if_fail (window != NULL, NULL);
+ g_return_val_if_fail (window != NULL, NULL);
- GDK_NOTE (DND, g_print ("gdk_drag_begin\n"));
+ GDK_NOTE (DND, g_print ("gdk_drag_begin\n"));
- ctx = source_context_new (window, targets);
+ ctx = source_context_new (window, targets);
- _dnd_source_state = GDK_WIN32_DND_PENDING;
+ _dnd_source_state = GDK_WIN32_DND_PENDING;
- pending_src_context = ctx;
- gdk_drag_context_ref (ctx->context);
+ pending_src_context = ctx;
+ gdk_drag_context_ref (ctx->context);
- return ctx->context;
-#endif
+ return ctx->context;
+ }
}
void
_gdk_win32_dnd_do_dragdrop (void)
{
-#ifdef OLE2_DND
- GdkDragContext* drag_ctx;
- GdkDragContextPrivateWin32 *private;
- BYTE kbd_state[256];
- data_object *dobj;
- HRESULT hr;
- DWORD dwEffect;
+ if (use_ole2_dnd)
+ {
+ GdkDragContext* drag_ctx;
+ GdkDragContextPrivateWin32 *private;
+ BYTE kbd_state[256];
+ data_object *dobj;
+ HRESULT hr;
+ DWORD dwEffect;
#if 0
- HGLOBAL global;
- STGMEDIUM medium;
+ HGLOBAL global;
+ STGMEDIUM medium;
#endif
- if (pending_src_context == NULL)
- return;
+ if (pending_src_context == NULL)
+ return;
- drag_ctx = pending_src_context->context;
- private = PRIVATE_DATA (drag_ctx);
+ drag_ctx = pending_src_context->context;
+ private = PRIVATE_DATA (drag_ctx);
- dobj = data_object_new (drag_ctx);
+ dobj = data_object_new (drag_ctx);
- API_CALL (GetCursorPos, (&private->last_pt));
- API_CALL (ScreenToClient, (GDK_WINDOW_HWND (drag_ctx->source_window), &private->last_pt));
- private->last_key_state = 0;
- API_CALL (GetKeyboardState, (kbd_state));
+ API_CALL (GetCursorPos, (&private->last_pt));
+ API_CALL (ScreenToClient, (GDK_WINDOW_HWND (drag_ctx->source_window), &private->last_pt));
+ private->last_key_state = 0;
+ API_CALL (GetKeyboardState, (kbd_state));
- if (kbd_state[VK_CONTROL])
- private->last_key_state |= MK_CONTROL;
- if (kbd_state[VK_SHIFT])
- private->last_key_state |= MK_SHIFT;
- if (kbd_state[VK_LBUTTON])
- private->last_key_state |= MK_LBUTTON;
- if (kbd_state[VK_MBUTTON])
- private->last_key_state |= MK_MBUTTON;
- if (kbd_state[VK_RBUTTON])
- private->last_key_state |= MK_RBUTTON;
+ if (kbd_state[VK_CONTROL])
+ private->last_key_state |= MK_CONTROL;
+ if (kbd_state[VK_SHIFT])
+ private->last_key_state |= MK_SHIFT;
+ if (kbd_state[VK_LBUTTON])
+ private->last_key_state |= MK_LBUTTON;
+ if (kbd_state[VK_MBUTTON])
+ private->last_key_state |= MK_MBUTTON;
+ if (kbd_state[VK_RBUTTON])
+ private->last_key_state |= MK_RBUTTON;
#if 0
- global = GlobalAlloc (GMEM_FIXED, sizeof (ctx));
+ global = GlobalAlloc (GMEM_FIXED, sizeof (ctx));
- memcpy (&global, ctx, sizeof (ctx));
+ memcpy (&global, ctx, sizeof (ctx));
- medium.tymed = TYMED_HGLOBAL;
- medium.hGlobal = global;
- medium.pUnkForRelease = NULL;
+ medium.tymed = TYMED_HGLOBAL;
+ medium.hGlobal = global;
+ medium.pUnkForRelease = NULL;
- /* FIXME I wish I remember what I was thinking of here, i.e. what
- * the formats[1] signifies, i.e. the CF_GDIOBJFIRST FORMATETC?
- */
- dobj->ido.lpVtbl->SetData (&dobj->ido, &formats[1], &medium, TRUE);
+ /* FIXME I wish I remember what I was thinking of here, i.e. what
+ * the formats[1] signifies, i.e. the CF_GDIOBJFIRST FORMATETC?
+ */
+ dobj->ido.lpVtbl->SetData (&dobj->ido, &formats[1], &medium, TRUE);
#endif
- /* Start dragging with mainloop inside the OLE2 API. Exits only when done */
+ /* Start dragging with mainloop inside the OLE2 API. Exits only when done */
- GDK_NOTE (DND, g_print ("Calling DoDragDrop\n"));
+ GDK_NOTE (DND, g_print ("Calling DoDragDrop\n"));
- _gdk_win32_begin_modal_call ();
- hr = DoDragDrop (&dobj->ido, &pending_src_context->ids,
- DROPEFFECT_COPY | DROPEFFECT_MOVE,
- &dwEffect);
- _gdk_win32_end_modal_call ();
-
- GDK_NOTE (DND, g_print ("DoDragDrop returned %s\n",
- (hr == DRAGDROP_S_DROP ? "DRAGDROP_S_DROP" :
- (hr == DRAGDROP_S_CANCEL ? "DRAGDROP_S_CANCEL" :
- (hr == E_UNEXPECTED ? "E_UNEXPECTED" :
- g_strdup_printf ("%#.8lx", hr))))));
-
- /* Delete dnd selection after successful move */
- if (hr == DRAGDROP_S_DROP && dwEffect == DROPEFFECT_MOVE)
- {
- GdkEvent tmp_event;
+ _gdk_win32_begin_modal_call ();
+ hr = DoDragDrop (&dobj->ido, &pending_src_context->ids,
+ DROPEFFECT_COPY | DROPEFFECT_MOVE,
+ &dwEffect);
+ _gdk_win32_end_modal_call ();
- tmp_event.type = GDK_SELECTION_REQUEST;
- tmp_event.selection.window = drag_ctx->source_window;
- tmp_event.selection.send_event = FALSE;
- tmp_event.selection.selection = _gdk_ole2_dnd;
- tmp_event.selection.target = _delete;
- tmp_event.selection.property = _gdk_ole2_dnd; /* ??? */
- tmp_event.selection.time = GDK_CURRENT_TIME; /* ??? */
- g_object_ref (tmp_event.selection.window);
+ GDK_NOTE (DND, g_print ("DoDragDrop returned %s\n",
+ (hr == DRAGDROP_S_DROP ? "DRAGDROP_S_DROP" :
+ (hr == DRAGDROP_S_CANCEL ? "DRAGDROP_S_CANCEL" :
+ (hr == E_UNEXPECTED ? "E_UNEXPECTED" :
+ g_strdup_printf ("%#.8lx", hr))))));
- GDK_NOTE (EVENTS, _gdk_win32_print_event (&tmp_event));
- gdk_event_put (&tmp_event);
- }
+ /* Delete dnd selection after successful move */
+ if (hr == DRAGDROP_S_DROP && dwEffect == DROPEFFECT_MOVE)
+ {
+ GdkEvent tmp_event;
+
+ tmp_event.type = GDK_SELECTION_REQUEST;
+ tmp_event.selection.window = drag_ctx->source_window;
+ tmp_event.selection.send_event = FALSE;
+ tmp_event.selection.selection = _gdk_ole2_dnd;
+ tmp_event.selection.target = _delete;
+ tmp_event.selection.property = _gdk_ole2_dnd; /* ??? */
+ tmp_event.selection.time = GDK_CURRENT_TIME; /* ??? */
+ g_object_ref (tmp_event.selection.window);
+
+ GDK_NOTE (EVENTS, _gdk_win32_print_event (&tmp_event));
+ gdk_event_put (&tmp_event);
+ }
#if 0
- // Send a GDK_DROP_FINISHED to the source window
- GetCursorPos (&pt);
- ptl.x = pt.x;
- ptl.y = pt.y;
- if ( pending_src_context != NULL && pending_src_context->context != NULL
- && pending_src_context->context->source_window != NULL )
- push_dnd_event (GDK_DROP_FINISHED, pending_src_context->context, ptl, FALSE);
+ // Send a GDK_DROP_FINISHED to the source window
+ GetCursorPos (&pt);
+ ptl.x = pt.x;
+ ptl.y = pt.y;
+ if ( pending_src_context != NULL && pending_src_context->context != NULL
+ && pending_src_context->context->source_window != NULL )
+ push_dnd_event (GDK_DROP_FINISHED, pending_src_context->context, ptl, FALSE);
#endif
- dobj->ido.lpVtbl->Release (&dobj->ido);
- if (pending_src_context != NULL)
- {
- pending_src_context->ids.lpVtbl->Release (&pending_src_context->ids);
- pending_src_context = NULL;
+ dobj->ido.lpVtbl->Release (&dobj->ido);
+ if (pending_src_context != NULL)
+ {
+ pending_src_context->ids.lpVtbl->Release (&pending_src_context->ids);
+ pending_src_context = NULL;
+ }
}
-#endif
}
GdkNativeWindow
@@ -1977,11 +1958,11 @@ gdk_drag_get_protocol_for_display (GdkDisplay *display,
{
if (g_object_get_data (G_OBJECT (window), "gdk-dnd-registered") != NULL)
{
-#ifdef OLE2_DND
- *protocol = GDK_DRAG_PROTO_OLE2;
-#else
- *protocol = GDK_DRAG_PROTO_LOCAL;
-#endif
+ if (use_ole2_dnd)
+ *protocol = GDK_DRAG_PROTO_OLE2;
+ else
+ *protocol = GDK_DRAG_PROTO_LOCAL;
+
return xid;
}
}
@@ -2016,14 +1997,12 @@ gdk_drag_find_window_for_screen (GdkDragContext *context,
else
*dest_window = gdk_window_foreign_new_for_display (_gdk_display, hwnd);
-#ifdef OLE2_DND
- *protocol = GDK_DRAG_PROTO_OLE2;
-#else
- if (context->source_window)
+ if (use_ole2_dnd)
+ *protocol = GDK_DRAG_PROTO_OLE2;
+ else if (context->source_window)
*protocol = GDK_DRAG_PROTO_LOCAL;
else
*protocol = GDK_DRAG_PROTO_WIN32_DROPFILES;
-#endif
}
GDK_NOTE (DND,
@@ -2063,106 +2042,106 @@ gdk_drag_motion (GdkDragContext *context,
private = PRIVATE_DATA (context);
-#ifndef OLE2_DND
- if (context->dest_window == dest_window)
+ if (!use_ole2_dnd)
{
- GdkDragContext *dest_context;
-
- dest_context = gdk_drag_context_find (FALSE,
- context->source_window,
- dest_window);
+ if (context->dest_window == dest_window)
+ {
+ GdkDragContext *dest_context;
- if (dest_context)
- dest_context->actions = context->actions;
+ dest_context = gdk_drag_context_find (FALSE,
+ context->source_window,
+ dest_window);
- context->suggested_action = suggested_action;
- }
- else
- {
- GdkEvent tmp_event;
+ if (dest_context)
+ dest_context->actions = context->actions;
- /* Send a leave to the last destination */
- gdk_drag_do_leave (context, time);
- private->drag_status = GDK_DRAG_STATUS_DRAG;
-
- /* Check if new destination accepts drags, and which protocol */
- if (dest_window)
+ context->suggested_action = suggested_action;
+ }
+ else
{
- context->dest_window = dest_window;
- g_object_ref (context->dest_window);
- context->protocol = protocol;
+ GdkEvent tmp_event;
+
+ /* Send a leave to the last destination */
+ gdk_drag_do_leave (context, time);
+ private->drag_status = GDK_DRAG_STATUS_DRAG;
- switch (protocol)
+ /* Check if new destination accepts drags, and which protocol */
+ if (dest_window)
{
- case GDK_DRAG_PROTO_LOCAL:
- local_send_enter (context, time);
- break;
+ context->dest_window = dest_window;
+ g_object_ref (context->dest_window);
+ context->protocol = protocol;
- default:
- break;
+ switch (protocol)
+ {
+ case GDK_DRAG_PROTO_LOCAL:
+ local_send_enter (context, time);
+ break;
+
+ default:
+ break;
+ }
+ context->suggested_action = suggested_action;
+ }
+ else
+ {
+ context->dest_window = NULL;
+ context->action = 0;
}
- context->suggested_action = suggested_action;
- }
- else
- {
- context->dest_window = NULL;
- context->action = 0;
- }
- /* Push a status event, to let the client know that
- * the drag changed
- */
- tmp_event.type = GDK_DRAG_STATUS;
- tmp_event.dnd.window = context->source_window;
- /* We use this to signal a synthetic status. Perhaps
- * we should use an extra field...
- */
- tmp_event.dnd.send_event = TRUE;
+ /* Push a status event, to let the client know that
+ * the drag changed
+ */
+ tmp_event.type = GDK_DRAG_STATUS;
+ tmp_event.dnd.window = context->source_window;
+ /* We use this to signal a synthetic status. Perhaps
+ * we should use an extra field...
+ */
+ tmp_event.dnd.send_event = TRUE;
- tmp_event.dnd.context = context;
- tmp_event.dnd.time = time;
+ tmp_event.dnd.context = context;
+ tmp_event.dnd.time = time;
- GDK_NOTE (EVENTS, _gdk_win32_print_event (&tmp_event));
- gdk_event_put (&tmp_event);
- }
+ GDK_NOTE (EVENTS, _gdk_win32_print_event (&tmp_event));
+ gdk_event_put (&tmp_event);
+ }
- /* Send a drag-motion event */
+ /* Send a drag-motion event */
- private->last_pt.x = x_root - _gdk_offset_x;
- private->last_pt.y = y_root - _gdk_offset_y;
+ private->last_pt.x = x_root - _gdk_offset_x;
+ private->last_pt.y = y_root - _gdk_offset_y;
- if (context->dest_window)
- {
- if (private->drag_status == GDK_DRAG_STATUS_DRAG)
+ if (context->dest_window)
{
- switch (context->protocol)
+ if (private->drag_status == GDK_DRAG_STATUS_DRAG)
{
- case GDK_DRAG_PROTO_LOCAL:
- local_send_motion (context, x_root, y_root, suggested_action, time);
- break;
+ switch (context->protocol)
+ {
+ case GDK_DRAG_PROTO_LOCAL:
+ local_send_motion (context, x_root, y_root, suggested_action, time);
+ break;
- case GDK_DRAG_PROTO_NONE:
- g_warning ("GDK_DRAG_PROTO_NONE is not valid in gdk_drag_motion()");
- break;
+ case GDK_DRAG_PROTO_NONE:
+ g_warning ("GDK_DRAG_PROTO_NONE is not valid in gdk_drag_motion()");
+ break;
- default:
- break;
+ default:
+ break;
+ }
+ }
+ else
+ {
+ GDK_NOTE (DND, g_print (" returning TRUE\n"
+ " context=%p:{actions=%s,suggested=%s,action=%s}\n",
+ context,
+ _gdk_win32_drag_action_to_string (context->actions),
+ _gdk_win32_drag_action_to_string (context->suggested_action),
+ _gdk_win32_drag_action_to_string (context->action)));
+ return TRUE;
}
- }
- else
- {
- GDK_NOTE (DND, g_print (" returning TRUE\n"
- " context=%p:{actions=%s,suggested=%s,action=%s}\n",
- context,
- _gdk_win32_drag_action_to_string (context->actions),
- _gdk_win32_drag_action_to_string (context->suggested_action),
- _gdk_win32_drag_action_to_string (context->action)));
- return TRUE;
}
}
-#endif
-
GDK_NOTE (DND, g_print (" returning FALSE\n"
" context=%p:{actions=%s,suggested=%s,action=%s}\n",
context,
@@ -2180,13 +2159,16 @@ gdk_drag_drop (GdkDragContext *context,
GDK_NOTE (DND, g_print ("gdk_drag_drop\n"));
-#ifndef OLE2_DND
- if (context->dest_window &&
- context->protocol == GDK_DRAG_PROTO_LOCAL)
- local_send_drop (context, time);
-#else
- _dnd_source_state = GDK_WIN32_DND_DROPPED;
-#endif
+ if (!use_ole2_dnd)
+ {
+ if (context->dest_window &&
+ context->protocol == GDK_DRAG_PROTO_LOCAL)
+ local_send_drop (context, time);
+ }
+ else
+ {
+ _dnd_source_state = GDK_WIN32_DND_DROPPED;
+ }
}
void
@@ -2197,9 +2179,8 @@ gdk_drag_abort (GdkDragContext *context,
GDK_NOTE (DND, g_print ("gdk_drag_abort\n"));
-#ifdef OLE2_DND
- _dnd_source_state = GDK_WIN32_DND_NONE;
-#endif
+ if (use_ole2_dnd)
+ _dnd_source_state = GDK_WIN32_DND_NONE;
}
/* Destination side */
@@ -2210,10 +2191,8 @@ gdk_drag_status (GdkDragContext *context,
guint32 time)
{
GdkDragContextPrivateWin32 *private;
-#ifndef OLE2_DND
GdkDragContext *src_context;
GdkEvent tmp_event;
-#endif
g_return_if_fail (context != NULL);
@@ -2229,34 +2208,34 @@ gdk_drag_status (GdkDragContext *context,
context->action = action;
-#ifndef OLE2_DND
-
- src_context = gdk_drag_context_find (TRUE,
- context->source_window,
- context->dest_window);
-
- if (src_context)
+ if (!use_ole2_dnd)
{
- GdkDragContextPrivateWin32 *private = PRIVATE_DATA (src_context);
+ src_context = gdk_drag_context_find (TRUE,
+ context->source_window,
+ context->dest_window);
- if (private->drag_status == GDK_DRAG_STATUS_MOTION_WAIT)
- private->drag_status = GDK_DRAG_STATUS_DRAG;
+ if (src_context)
+ {
+ GdkDragContextPrivateWin32 *private = PRIVATE_DATA (src_context);
- tmp_event.type = GDK_DRAG_STATUS;
- tmp_event.dnd.window = context->source_window;
- tmp_event.dnd.send_event = FALSE;
- tmp_event.dnd.context = src_context;
- tmp_event.dnd.time = GDK_CURRENT_TIME; /* FIXME? */
+ if (private->drag_status == GDK_DRAG_STATUS_MOTION_WAIT)
+ private->drag_status = GDK_DRAG_STATUS_DRAG;
- if (action == GDK_ACTION_DEFAULT)
- action = 0;
+ tmp_event.type = GDK_DRAG_STATUS;
+ tmp_event.dnd.window = context->source_window;
+ tmp_event.dnd.send_event = FALSE;
+ tmp_event.dnd.context = src_context;
+ tmp_event.dnd.time = GDK_CURRENT_TIME; /* FIXME? */
- src_context->action = action;
+ if (action == GDK_ACTION_DEFAULT)
+ action = 0;
- GDK_NOTE (EVENTS, _gdk_win32_print_event (&tmp_event));
- gdk_event_put (&tmp_event);
+ src_context->action = action;
+
+ GDK_NOTE (EVENTS, _gdk_win32_print_event (&tmp_event));
+ gdk_event_put (&tmp_event);
+ }
}
-#endif
}
void
@@ -2268,14 +2247,12 @@ gdk_drop_reply (GdkDragContext *context,
GDK_NOTE (DND, g_print ("gdk_drop_reply\n"));
-#ifndef OLE2_DND
-
- if (context->dest_window)
- {
- if (context->protocol == GDK_DRAG_PROTO_WIN32_DROPFILES)
- _gdk_dropfiles_store (NULL);
- }
-#endif
+ if (!use_ole2_dnd)
+ if (context->dest_window)
+ {
+ if (context->protocol == GDK_DRAG_PROTO_WIN32_DROPFILES)
+ _gdk_dropfiles_store (NULL);
+ }
}
void
@@ -2284,10 +2261,8 @@ gdk_drop_finish (GdkDragContext *context,
guint32 time)
{
GdkDragContextPrivateWin32 *private;
-#ifndef OLE2_DND
GdkDragContext *src_context;
GdkEvent tmp_event;
-#endif
g_return_if_fail (context != NULL);
@@ -2295,31 +2270,32 @@ gdk_drop_finish (GdkDragContext *context,
private = PRIVATE_DATA (context);
-#ifndef OLE2_DND
- src_context = gdk_drag_context_find (TRUE,
- context->source_window,
- context->dest_window);
- if (src_context)
+ if (!use_ole2_dnd)
{
- tmp_event.type = GDK_DROP_FINISHED;
- tmp_event.dnd.window = src_context->source_window;
- tmp_event.dnd.send_event = FALSE;
- tmp_event.dnd.context = src_context;
+ src_context = gdk_drag_context_find (TRUE,
+ context->source_window,
+ context->dest_window);
+ if (src_context)
+ {
+ tmp_event.type = GDK_DROP_FINISHED;
+ tmp_event.dnd.window = src_context->source_window;
+ tmp_event.dnd.send_event = FALSE;
+ tmp_event.dnd.context = src_context;
- GDK_NOTE (EVENTS, _gdk_win32_print_event (&tmp_event));
- gdk_event_put (&tmp_event);
+ GDK_NOTE (EVENTS, _gdk_win32_print_event (&tmp_event));
+ gdk_event_put (&tmp_event);
+ }
}
-#else
- gdk_drag_do_leave (context, time);
-
- if (success)
- _dnd_target_state = GDK_WIN32_DND_DROPPED;
else
- _dnd_target_state = GDK_WIN32_DND_FAILED;
-#endif
-}
+ {
+ gdk_drag_do_leave (context, time);
-#ifdef OLE2_DND
+ if (success)
+ _dnd_target_state = GDK_WIN32_DND_DROPPED;
+ else
+ _dnd_target_state = GDK_WIN32_DND_FAILED;
+ }
+}
#if 0
@@ -2346,15 +2322,11 @@ gdk_destroy_filter (GdkXEvent *xev,
#endif
-#endif
-
void
gdk_window_register_dnd (GdkWindow *window)
{
-#ifdef OLE2_DND
target_drag_context *ctx;
HRESULT hr;
-#endif
g_return_if_fail (window != NULL);
@@ -2365,46 +2337,49 @@ gdk_window_register_dnd (GdkWindow *window)
GDK_NOTE (DND, g_print ("gdk_window_register_dnd: %p\n", GDK_WINDOW_HWND (window)));
-#ifndef OLE2_DND
- /* We always claim to accept dropped files, but in fact we might not,
- * of course. This function is called in such a way that it cannot know
- * whether the window (widget) in question actually accepts files
- * (in gtk, data of type text/uri-list) or not.
- */
- gdk_window_add_filter (window, gdk_dropfiles_filter, NULL);
- DragAcceptFiles (GDK_WINDOW_HWND (window), TRUE);
-#else
- /* Return if window is already setup for DND. */
- if (g_hash_table_lookup (target_ctx_for_window, GDK_WINDOW_HWND (window)) != NULL)
- return;
-
- /* Register for OLE2 d&d : similarly, claim to accept all supported
- * data types because we cannot know from here what the window
- * actually accepts.
- */
- /* FIXME: This of course won't work with user-extensible data types! */
- ctx = target_context_new (window);
-
- hr = CoLockObjectExternal ((IUnknown *) &ctx->idt, TRUE, FALSE);
- if (!SUCCEEDED (hr))
- OTHER_API_FAILED ("CoLockObjectExternal");
+ if (!use_ole2_dnd)
+ {
+ /* We always claim to accept dropped files, but in fact we might not,
+ * of course. This function is called in such a way that it cannot know
+ * whether the window (widget) in question actually accepts files
+ * (in gtk, data of type text/uri-list) or not.
+ */
+ gdk_window_add_filter (window, gdk_dropfiles_filter, NULL);
+ DragAcceptFiles (GDK_WINDOW_HWND (window), TRUE);
+ }
else
{
- hr = RegisterDragDrop (GDK_WINDOW_HWND (window), &ctx->idt);
- if (hr == DRAGDROP_E_ALREADYREGISTERED)
- {
- g_print ("DRAGDROP_E_ALREADYREGISTERED\n");
- CoLockObjectExternal ((IUnknown *) &ctx->idt, FALSE, FALSE);
- }
- else if (!SUCCEEDED (hr))
- OTHER_API_FAILED ("RegisterDragDrop");
+ /* Return if window is already setup for DND. */
+ if (g_hash_table_lookup (target_ctx_for_window, GDK_WINDOW_HWND (window)) != NULL)
+ return;
+
+ /* Register for OLE2 d&d : similarly, claim to accept all supported
+ * data types because we cannot know from here what the window
+ * actually accepts.
+ */
+ /* FIXME: This of course won't work with user-extensible data types! */
+ ctx = target_context_new (window);
+
+ hr = CoLockObjectExternal ((IUnknown *) &ctx->idt, TRUE, FALSE);
+ if (!SUCCEEDED (hr))
+ OTHER_API_FAILED ("CoLockObjectExternal");
else
{
- gdk_window_ref (window);
- g_hash_table_insert (target_ctx_for_window, GDK_WINDOW_HWND (window), ctx);
+ hr = RegisterDragDrop (GDK_WINDOW_HWND (window), &ctx->idt);
+ if (hr == DRAGDROP_E_ALREADYREGISTERED)
+ {
+ g_print ("DRAGDROP_E_ALREADYREGISTERED\n");
+ CoLockObjectExternal ((IUnknown *) &ctx->idt, FALSE, FALSE);
+ }
+ else if (!SUCCEEDED (hr))
+ OTHER_API_FAILED ("RegisterDragDrop");
+ else
+ {
+ gdk_window_ref (window);
+ g_hash_table_insert (target_ctx_for_window, GDK_WINDOW_HWND (window), ctx);
+ }
}
}
-#endif
}
GdkAtom
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